Do you have to have 2 SIMs in a dual SIM phone?

A Dual SIM Passive phone can use two different SIM cards, but only one of them can be active at any time. That means that when one SIM card works, the other is unreachable. To use the second SIM card, you need to activate it manually, and the first SIM deactivates when you do that.

What is the point of a dual SIM phone?

Dual SIM phones allow users to keep separate contact lists on each SIM, and allow easier roaming by being able to access a foreign network while keeping the existing local card. Vendors of foreign SIMs for travel often promote dual-SIM operation, with a home country and local SIM in the same handset.

Why do I have SIM 1 and SIM 2?

Smartphones come in either dual SIM or single SIM models. Dual SIM models allow you to use two SIM cards in one device. This is handy if you have separate phone numbers for work and home or if you need to use a local number while keeping your original number active when in a foreign country.

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What is the difference between SIM slot 1 and 2?

What is the difference between slot 1 and slot 2 on a smartphone’s SIM card? … The exact support for each SIM slot depends on the phone but in most cases: SIM #1 supports all features of the network (2G/3G/4G/data) SIM #2 can be used only to make or receive voice calls, in many cases 2G only.

What is the disadvantages of dual SIM mobile phones?

The disadvantage is that such devices have two transceivers, one for each SIM and thus comparatively consume more battery. They have shorter standby autonomy. The initial cost and the recurring cost is higher.

Is dual SIM good or bad?

The whole point of owning two SIM card is that you want to be connected all the time. However, as explained in the previous paragraph, dual-SIM smartphones run out of battery faster than the normal smartphones. … Even if you smartphone dies, you’ll still have a back-up phone to make those urgent phone calls.

Is a dual SIM phone worth it?

A dual SIM phone lets you take advantage of the best deals when it comes to carriers. Often you will find that one carrier has great data rates, while another has better voice call or overall bundle deals. Using a dual SIM device lets you take advantage of both deals.

Are dual SIM phones fake?

The vast majority of fake phones are made for the markets where dual SIM phones are common. … Many phones have slots for SD cards, this is not to be confused as an extra SIM card slot.

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Can dual SIM phones be on different networks?

Can I use multiple networks on a dual SIM phone? You can technically use two different SIM networks on the same phone. But, like with a single SIM, some phones are locked to the network provider. So you’ll need to take this into consideration when buying the phone.

How do I turn off one SIM on a dual SIM phone?

Disable SIM card using Android’s built-in option

  1. First of all, go to “Settings”.
  2. Now click “Dual SIM settings” option.
  3. Under Enabled/disable SIM cards section, switch off the button next to the SIM card you wants to disable. (

27 июл. 2016 г.

Can you put a SIM card in a microSD slot?

In addition to storing data, memory cards can save external media files, whereas SIM cards cannot. While you cannot use your SD card as a means to activate your phone like a SIM card, you can use your SD card as a backup storage disk like a SIM card.

How do I activate a dual SIM phone?

Open the Settings of your Android smartphone and tap on “Network & internet” or “Wireless & networks. “ Open SIM cards or Dual SIM settings, depending on how the category is named on your Android smartphone.

Why does my second SIM slot not work?

Some of the problems with the SIM slot that can cause this problem: – SIM Card not inserted properly. – Loose SIM slot resulting in the card losing the connection with the reader of the device. – Accumulation of dust over the slot and SIM card reader making the slot incapable of reading the card properly.

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Does dual SIM slow down the phone?

Network speed testing agencies have claimed that the result can differ in case of dual SIM mobile phones. Chaudhary said there will be degradation in speed in case of these phones for specific scenarios when both SIMs are being used at the same time as the resources are shared for the two SIMs.

What is the best dual SIM mobile phone?

Best Dual SIM Smartphones

  1. Samsung Galaxy S20 5G. Samsung has long been known as one of the world’s best Smartphone manufacturers. …
  2. Apple iPhone 11 Pro Max. …
  3. ASUS ROG Phone 2 (ZS660KL) Smartphone. …
  4. OnePlus 8 Pro Ultramarine. …
  5. Sony Xperia 1 Unlocked. …
  6. OnePlus 7T PRO HD1910. …
  7. Samsung Galaxy Note 10+ N975F/DS. …
  8. LG G8X ThinQ.

5 нояб. 2020 г.

Do dual SIM phones consume more battery?

Theoretically, therefore a dual SIM phone radiates 2X more than a single SIM device. … Not only radiation, dual SIM phones also drain batteries faster because the battery is used to power two circuits simultaneously, which leads to increased usage and high power drainage.

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